From ecceddec6e3bbc4df96536a211a9a71f0919e47d Mon Sep 17 00:00:00 2001
From: Nick Randall <nick.randall@domo.com>
Date: Wed, 11 Jan 2017 10:10:06 -0700
Subject: [PATCH] Add ResolverError field to QueryError for post processing

---
 errors/errors.go      | 5 +++--
 internal/exec/exec.go | 4 +++-
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/errors/errors.go b/errors/errors.go
index ea71bbb160..80476994b5 100644
--- a/errors/errors.go
+++ b/errors/errors.go
@@ -3,8 +3,9 @@ package errors
 import "fmt"
 
 type QueryError struct {
-	Message   string      `json:"message"`
-	Locations []*Location `json:"locations,omitempty"`
+	Message       string      `json:"message"`
+	Locations     []*Location `json:"locations,omitempty"`
+	ResolverError error       `json:"-"`
 }
 
 type Location struct {
diff --git a/internal/exec/exec.go b/internal/exec/exec.go
index 3100532765..44bacf1498 100644
--- a/internal/exec/exec.go
+++ b/internal/exec/exec.go
@@ -554,7 +554,9 @@ func (e *fieldExec) execField(ctx context.Context, r *request, f *query.Field, r
 	result, err := e.execField2(spanCtx, r, f, resolver, span)
 
 	if err != nil {
-		r.addError(errors.Errorf("%s", err))
+		queryError := errors.Errorf("%s", err)
+		queryError.ResolverError = err
+		r.addError(queryError)
 		addResult(f.Alias, nil) // TODO handle non-nil
 
 		ext.Error.Set(span, true)